British singer Amy Winehouse has been hospitalized after fainting, her rep tells Usmagazine.com.

"Amy was at home this afternoon when she briefly fainted," her rep said. "Fortunately, her manager's assistant was there to stop her falling."

"She quickly recovered and her father Mitch took her to hospital as a precaution," the rep explained. "Doctors are unsure of the cause of the incident and Amy is currently undergoing tests."

The 24-year-old Grammy winner "may be kept in [the hospital] overnight for observation," the rep added.

Last month, Winehouse was released on bail after being arrested for suspicion of drug use. She was questioned by police for more than nine hours about footage from January that shows her allegedly using a crack pipe.

The singer also went to rehab in January.

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